Wondering how to properly address your wedding invitations? Our updated 2025 guide covers everything from traditional etiquette to modern, inclusive addressing styles. Learn how to address envelopes for families, same-sex couples, non-binary guests, and unmarried couples, plus tips on formatting street addresses, spelling out state names, and ensuring international invitations are correctly addressed. Whether you're using a calligrapher or printed addressing, this guide will help you create a polished and elegant presentation for your wedding stationery.